90 



^2 



BILLINGS.— PLANTS. 

 ARACEiE. 



Arlsroma triphyllum, Torr May 



Acorus calamus, L June 



Calla palustris June 



TYPIIACE^. 



Ty.plia latifolia, L July 



NATADACE-ai:. 



Potaniogcton pcctinatus, L July 



« hybriJus, Micbx tlo 



" pcrfoliatus, L *^o 



*' comprcssus, L July 



ALISMACE.^E. 



Sagittaria variabilis, Eogelm July 



Alisma plantago, L., var Amoricanum July 



ORCIIIDACE^E, 



Orchis spcctabilis, L June 



Cypripedium pubescens, Willd June 



Platanthera hyperborea, Lindlcy June 



" dilatata, do do 



Cypripedium spcctabile, Swartz do 



Plathanthera psycodes, Gray July 



Calopogon pulchellus, E. Br do 



IRIDACEiE. 



Iris versicolor, L June 



Sisyrin shium Ber mudiaua, L June 



SMILACE^i:. 



Trillium ercctura, L May 



" grandiflorum, Salisb ^lay 



" erythrocarpum, Micbx May 



Medeola Virginica, L June 



Smilax berbacea, L Juno 



13 



oo 

 15. 



21. 



21. 



31. 



14. 



28. 



5. 

 15» 



14. 



15. 



99 



1? 



K. 

 15. 



99 



